DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E Award a ₱32.2M contract to PRECIOUS CONSTRUCTIONNational agencies
Transaction hash:
18ddc665f907b712656abfea71a4225a23ea00ff130b916058b01acaeb8e73ed
Status:
Included and unchanged
Block:
#2,464 3,549 blocks after it
Position in block:
Transaction 7 of 56
Award day:
Jul 17, 2015 (11 yrs 4 mo ago)
Value:
₱32,198,144.42
Project:
Contract ID No. 015OB0110-Rehabilitation of Drain
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #2,464 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E awarded it to PRECIOUS CONSTRUCTION on 2015-07-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 18ddc665f9…8e73ednow …
- 2. Block Merkle root changedstored d3782abf0f…b4ce8dnow …
- 3. Block #2464 hash changedstored 519cf2bc34…214505now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 55 records. Each step hashes the current value together with the sibling shown.
- leaf 18ddc665f907b712656abfea71a4225a23ea00ff130b916058b01acaeb8e73ed
- 01 L 184212ecd81266c69ef1ff357ca800ad540e2936941fc3ea9067630b0432875d
- 02 L 152fc3678c05692c0de33f33a657540527ebc3fae0cf0b3f608809af7b61bcc9
- 03 L 0e0ffe0afb460a0f6ef55139c972be470e05b7450ccb26c4c6e35ecf69a8ff70
- 04 R 81127613820d432eb61b7a8fdba03cea1a26760360d3d16180a4c3183fe4382d
- 05 R c299f3f55993fad61b7764a18f2807caa20a7c6956e7b3e420c9aa55b40d307c
- 06 R 15af9616878b2adc23a75a9af4c458846a761fe6e5e016e6af5dd943ab606e8e
- root d3782abf0f96143295573e883df7e60cc54b8e998a3b8fec76cec16815b4ce8d